Bed frame



FIG. 1 is a front perspective view of a bed frame;

FIG. 2 is a left side view thereof;

FIG. 3 is a right side view thereof;

FIG. 4 is a back view thereof;

FIG. 5 is a front view of an thereof;

FIG. 6 is a top view thereof; and,

FIG. 7 is a bottom view thereof.

The bed frame is shown with a symbolic break in its length. The appearance of any portion of the bed frame between the break lines forms no part of the claimed design. 

CLAIM The ornamental design for a bed frame, as shown and described. 